X-Git-Url: https://git.xinqibao.xyz/dwm.git/blobdiff_plain/b233089815367983e07939b2aabb999fdc359f91..a54cf2ecef2ca83441dccd454c694b92bca42a16:/main.c?ds=sidebyside

diff --git a/main.c b/main.c
index ae5d6ef..d72f13d 100644
--- a/main.c
+++ b/main.c
@@ -1,7 +1,4 @@
-/* (C)opyright MMVI-MMVII Anselm R. Garbe <garbeam at gmail dot com>
- * See LICENSE file for license details.
- */
-
+/* See LICENSE file for copyright and license details. */
 #include "dwm.h"
 #include <errno.h>
 #include <locale.h>
@@ -18,12 +15,13 @@
 /* extern */
 
 char stext[256];
-Bool *seltag;
-int bh, bmw, screen, sx, sy, sw, sh, wax, way, waw, wah;
-unsigned int master, nmaster, ntags, numlockmask;
+int screen, sx, sy, sw, sh, wax, way, waw, wah;
+unsigned int bh, ntags;
+unsigned int bpos = BARPOS;
+unsigned int numlockmask = 0;
 Atom wmatom[WMLast], netatom[NetLast];
-Bool running = True;
-Bool issel = True;
+Bool *seltag;
+Bool selscreen = True;
 Client *clients = NULL;
 Client *sel = NULL;
 Client *stack = NULL;
@@ -36,12 +34,13 @@ Window root, barwin;
 
 static int (*xerrorxlib)(Display *, XErrorEvent *);
 static Bool otherwm, readin;
+static Bool running = True;
 
 static void
 cleanup(void) {
 	close(STDIN_FILENO);
 	while(stack) {
-		resize(stack, True);
+		unban(stack);
 		unmanage(stack);
 	}
 	if(dc.font.set)
@@ -60,6 +59,57 @@ cleanup(void) {
 	free(seltag);
 }
 
+static unsigned long
+initcolor(const char *colstr) {
+	Colormap cmap = DefaultColormap(dpy, screen);
+	XColor color;
+
+	if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color))
+		eprint("error, cannot allocate color '%s'\n", colstr);
+	return color.pixel;
+}
+
+static void
+initfont(const char *fontstr) {
+	char *def, **missing;
+	int i, n;
+
+	missing = NULL;
+	if(dc.font.set)
+		XFreeFontSet(dpy, dc.font.set);
+	dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
+	if(missing) {
+		while(n--)
+			fprintf(stderr, "dwm: missing fontset: %s\n", missing[n]);
+		XFreeStringList(missing);
+	}
+	if(dc.font.set) {
+		XFontSetExtents *font_extents;
+		XFontStruct **xfonts;
+		char **font_names;
+		dc.font.ascent = dc.font.descent = 0;
+		font_extents = XExtentsOfFontSet(dc.font.set);
+		n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
+		for(i = 0, dc.font.ascent = 0, dc.font.descent = 0; i < n; i++) {
+			if(dc.font.ascent < (*xfonts)->ascent)
+				dc.font.ascent = (*xfonts)->ascent;
+			if(dc.font.descent < (*xfonts)->descent)
+				dc.font.descent = (*xfonts)->descent;
+			xfonts++;
+		}
+	}
+	else {
+		if(dc.font.xfont)
+			XFreeFont(dpy, dc.font.xfont);
+		dc.font.xfont = NULL;
+		if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr)))
+			eprint("error, cannot load font: '%s'\n", fontstr);
+		dc.font.ascent = dc.font.xfont->ascent;
+		dc.font.descent = dc.font.xfont->descent;
+	}
+	dc.font.height = dc.font.ascent + dc.font.descent;
+}
+
 static void
 scan(void) {
 	unsigned int i, num;
@@ -69,9 +119,8 @@ scan(void) {
 	wins = NULL;
 	if(XQueryTree(dpy, root, &d1, &d2, &wins, &num)) {
 		for(i = 0; i < num; i++) {
-			if(!XGetWindowAttributes(dpy, wins[i], &wa))
-				continue;
-			if(wa.override_redirect || XGetTransientForHint(dpy, wins[i], &d1))
+			if(!XGetWindowAttributes(dpy, wins[i], &wa)
+			|| wa.override_redirect || XGetTransientForHint(dpy, wins[i], &d1))
 				continue;
 			if(wa.map_state == IsViewable)
 				manage(wins[i], &wa);
@@ -92,6 +141,7 @@ setup(void) {
 	/* init atoms */
 	wmatom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False);
 	wmatom[WMDelete] = XInternAtom(dpy, "WM_DELETE_WINDOW", False);
+	wmatom[WMState] = XInternAtom(dpy, "WM_STATE", False);
 	netatom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False);
 	netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False);
 	XChangeProperty(dpy, root, netatom[NetSupported], XA_ATOM, 32,
@@ -101,62 +151,58 @@ setup(void) {
 	cursor[CurResize] = XCreateFontCursor(dpy, XC_sizing);
 	cursor[CurMove] = XCreateFontCursor(dpy, XC_fleur);
 	/* init modifier map */
-	numlockmask = 0;
 	modmap = XGetModifierMapping(dpy);
-	for (i = 0; i < 8; i++) {
+	for (i = 0; i < 8; i++)
 		for (j = 0; j < modmap->max_keypermod; j++) {
-			if(modmap->modifiermap[i * modmap->max_keypermod + j] == XKeysymToKeycode(dpy, XK_Num_Lock))
+			if(modmap->modifiermap[i * modmap->max_keypermod + j]
+					== XKeysymToKeycode(dpy, XK_Num_Lock))
 				numlockmask = (1 << i);
 		}
-	}
 	XFreeModifiermap(modmap);
 	/* select for events */
 	wa.event_mask = SubstructureRedirectMask | SubstructureNotifyMask
-		| EnterWindowMask | LeaveWindowMask;
+		| EnterWindowMask | LeaveWindowMask | StructureNotifyMask;
 	wa.cursor = cursor[CurNormal];
 	XChangeWindowAttributes(dpy, root, CWEventMask | CWCursor, &wa);
+	XSelectInput(dpy, root, wa.event_mask);
 	grabkeys();
-	initrregs();
+	compileregs();
 	for(ntags = 0; tags[ntags]; ntags++);
 	seltag = emallocz(sizeof(Bool) * ntags);
 	seltag[0] = True;
 	/* style */
-	dc.norm[ColBorder] = getcolor(NORMBORDERCOLOR);
-	dc.norm[ColBG] = getcolor(NORMBGCOLOR);
-	dc.norm[ColFG] = getcolor(NORMFGCOLOR);
-	dc.sel[ColBorder] = getcolor(SELBORDERCOLOR);
-	dc.sel[ColBG] = getcolor(SELBGCOLOR);
-	dc.sel[ColFG] = getcolor(SELFGCOLOR);
-	setfont(FONT);
+	dc.norm[ColBorder] = initcolor(NORMBORDERCOLOR);
+	dc.norm[ColBG] = initcolor(NORMBGCOLOR);
+	dc.norm[ColFG] = initcolor(NORMFGCOLOR);
+	dc.sel[ColBorder] = initcolor(SELBORDERCOLOR);
+	dc.sel[ColBG] = initcolor(SELBGCOLOR);
+	dc.sel[ColFG] = initcolor(SELFGCOLOR);
+	initfont(FONT);
 	/* geometry */
 	sx = sy = 0;
 	sw = DisplayWidth(dpy, screen);
 	sh = DisplayHeight(dpy, screen);
-	master = MASTER;
-	nmaster = NMASTER;
-	bmw = textw(TILESYMBOL) > textw(FLOATSYMBOL) ? textw(TILESYMBOL) : textw(FLOATSYMBOL);
+	initlayouts();
 	/* bar */
 	dc.h = bh = dc.font.height + 2;
 	wa.override_redirect = 1;
 	wa.background_pixmap = ParentRelative;
 	wa.event_mask = ButtonPressMask | ExposureMask;
-	barwin = XCreateWindow(dpy, root, sx, sy, sw, bh, 0, DefaultDepth(dpy, screen),
-			CopyFromParent, DefaultVisual(dpy, screen),
+	barwin = XCreateWindow(dpy, root, sx, sy, sw, bh, 0,
+			DefaultDepth(dpy, screen), CopyFromParent, DefaultVisual(dpy, screen),
 			CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
 	XDefineCursor(dpy, barwin, cursor[CurNormal]);
+	updatebarpos();
 	XMapRaised(dpy, barwin);
 	strcpy(stext, "dwm-"VERSION);
-	/* windowarea */
-	wax = sx;
-	way = sy + bh;
-	wah = sh - bh;
-	waw = sw;
 	/* pixmap for everything */
 	dc.drawable = XCreatePixmap(dpy, root, sw, bh, DefaultDepth(dpy, screen));
 	dc.gc = XCreateGC(dpy, root, 0, 0);
 	XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
+	if(!dc.font.set)
+		XSetFont(dpy, dc.gc, dc.font.xfont->fid);
 	/* multihead support */
-	issel = XQueryPointer(dpy, root, &w, &w, &i, &i, &i, &i, &mask);
+	selscreen = XQueryPointer(dpy, root, &w, &w, &i, &i, &i, &i, &mask);
 }
 
 /*
@@ -171,41 +217,35 @@ xerrorstart(Display *dsply, XErrorEvent *ee) {
 
 /* extern */
 
-int
-getproto(Window w) {
-	int i, format, protos, status;
-	unsigned long extra, res;
-	Atom *protocols, real;
-
-	protos = 0;
-	status = XGetWindowProperty(dpy, w, wmatom[WMProtocols], 0L, 20L, False,
-			XA_ATOM, &real, &format, &res, &extra, (unsigned char **)&protocols);
-	if(status != Success || protocols == 0)
-		return protos;
-	for(i = 0; i < res; i++)
-		if(protocols[i] == wmatom[WMDelete])
-			protos |= PROTODELWIN;
-	free(protocols);
-	return protos;
+void
+quit(const char *arg) {
+	readin = running = False;
 }
 
 void
-sendevent(Window w, Atom a, long value) {
-	XEvent e;
+updatebarpos(void) {
+	XEvent ev;
 
-	e.type = ClientMessage;
-	e.xclient.window = w;
-	e.xclient.message_type = a;
-	e.xclient.format = 32;
-	e.xclient.data.l[0] = value;
-	e.xclient.data.l[1] = CurrentTime;
-	XSendEvent(dpy, w, False, NoEventMask, &e);
+	wax = sx;
+	way = sy;
+	wah = sh;
+	waw = sw;
+	switch(bpos) {
+	default:
+		wah -= bh;
+		way += bh;
+		XMoveWindow(dpy, barwin, sx, sy);
+		break;
+	case BarBot:
+		wah -= bh;
+		XMoveWindow(dpy, barwin, sx, sy + wah);
+		break;
+	case BarOff:
+		XMoveWindow(dpy, barwin, sx, sy - bh);
+		break;
+	}
 	XSync(dpy, False);
-}
-
-void
-quit(Arg *arg) {
-	readin = running = False;
+	while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
 }
 
 /* There's no way to check accesses to destroyed windows, thus those cases are
@@ -233,16 +273,14 @@ main(int argc, char *argv[]) {
 	char *p;
 	int r, xfd;
 	fd_set rd;
+	XEvent ev;
 
-	if(argc == 2 && !strncmp("-v", argv[1], 3)) {
-		fputs("dwm-"VERSION", (C)opyright MMVI-MMVII Anselm R. Garbe\n", stdout);
-		exit(EXIT_SUCCESS);
-	}
+	if(argc == 2 && !strcmp("-v", argv[1]))
+		eprint("dwm-"VERSION", © 2006-2007 A. R. Garbe, S. van Dijk, J. Salmi, P. Hruby, S. Nagy\n");
 	else if(argc != 1)
 		eprint("usage: dwm [-v]\n");
 	setlocale(LC_CTYPE, "");
-	dpy = XOpenDisplay(0);
-	if(!dpy)
+	if(!(dpy = XOpenDisplay(0)))
 		eprint("dwm: cannot open display\n");
 	xfd = ConnectionNumber(dpy);
 	screen = DefaultScreen(dpy);
@@ -265,7 +303,6 @@ main(int argc, char *argv[]) {
 
 	/* main event loop, also reads status text from stdin */
 	XSync(dpy, False);
-	procevent();
 	readin = True;
 	while(running) {
 		FD_ZERO(&rd);
@@ -290,14 +327,17 @@ main(int argc, char *argv[]) {
 				break;
 			default:
 				for(stext[r] = '\0', p = stext + strlen(stext) - 1; p >= stext && *p == '\n'; *p-- = '\0');
-				for(p = stext + strlen(stext) - 1; p >= stext && *p != '\n'; --p);
+				for(; p >= stext && *p != '\n'; --p);
 				if(p > stext)
 					strncpy(stext, p + 1, sizeof stext);
 			}
 			drawstatus();
 		}
-		if(FD_ISSET(xfd, &rd))
-			procevent();
+		while(XPending(dpy)) {
+			XNextEvent(dpy, &ev);
+			if(handler[ev.type])
+				(handler[ev.type])(&ev); /* call handler */
+		}
 	}
 	cleanup();
 	XCloseDisplay(dpy);